Question

internal fertilization occurs . choose the correct​

Answer 1

Internal Fertilization

In oviparity, fertilized eggs are laid outside the female's body and develop there, receiving nourishment from the yolk that is a part of the egg. This occurs in most bony fish, many reptiles, some cartilaginous fish, most amphibians, two mammals, and all birds.

Answer 2

Zygote is formed by fertilization. i.e. fusion of male and female gametes. Thus, in zygote male and female gametes combine together to form Diploid zygote. That is, the number of nuclei present in a zygote is two.